19759540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24097}}^1$

素因数の和:24147

約数の個数: 24

約数和(自身を含む): 42508872

約数和(自身を除く): 22749332

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24097, 48194, 96388, 120485, 240970, 481940, 987977, 1975954, 3951908, 4939885, 9879770, 19759540]

約数ペア:

[(1, 19759540), (2, 9879770), (4, 4939885), (5, 3951908), (10, 1975954), (20, 987977), (41, 481940), (82, 240970), (164, 120485), (205, 96388), (410, 48194), (820, 24097)]